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ATI TEAS: Practice Test Part 1

Education70 CardsCreated 3 months ago

This flashcard set covers essential biomolecules—nucleic acids, proteins, lipids, and carbohydrates—as well as fundamental energy types like potential and mechanical energy. It helps reinforce the relationship between structure and function in biology and biochemistry.

Nucleic acid

Allows organisms to transfer genetic information info Fomites one generation to the next

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Key Terms

Term
Definition

Nucleic acid

Allows organisms to transfer genetic information info Fomites one generation to the next

(2) types of nucleic acids

  1. 1. DNA

2. RNA

Protein

Enzyme catalyst
Used to transport molecules
Store molecules

Lipids

Storage

Structural components of cell membranes

Carbohydrates

Supply energy for body processes

Fat oxidation

Which of the following is the form of energy contained in. Turing molecules and in ATP’s high-energy bonds?

Potential energy

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TermDefinition

Nucleic acid

Allows organisms to transfer genetic information info Fomites one generation to the next

(2) types of nucleic acids

  1. 1. DNA

2. RNA

Protein

Enzyme catalyst
Used to transport molecules
Store molecules

Lipids

Storage

Structural components of cell membranes

Carbohydrates

Supply energy for body processes

Fat oxidation

Which of the following is the form of energy contained in. Turing molecules and in ATP’s high-energy bonds?

Potential energy

Mechanical energy

Sum of potential energy & kinetic energy

Energy associated w/movement & position of object

Potential energy

“Stored energy “
Energy waiting to be used
NOT moving, with ability to do work when released

Kinetic energy

Energy in “MOTION”

Radiation energy

Energy of electromagnetic waves

Which of the following best explains the maintenance of a nearly constant avg temp. Of the structure of the earth?

The amounts of solar energy absorbs radiant energy , emitted by the earth existic in equilibrium

Drugs that STOPS the function of enzyme DNA polymerase would

Block replication of DNA carrying genetic code in the nucleus

Which of the following describes the function of ribosomes in living cells ?

Use of genetic information to build specific protein in molecules

Ribosomes

Site of translation of the genetic code of DNA and RNA into the amino acid code of protein

  • protein synthesis

  • assemble (20) amino acids molecules to for, particular protein molecule

Which of the following organ systems is responsible for transporting nutrients, waste, and other substance tnroughout the human body ?

Circulatory system

Respiratory system

Tubes used to carry air to lungs

Gas exchange takes place

Immune system

Protect against disease by identifying pathogens

* protects body against infectious agents using WBC & antibodies

Nervous system

Controls all systems

Circulatory

Transports materials , nutrients to cells

*waste from cells

Primary function of the cells lining trachea and bronchi is to ?

Secrete mucous

Propel trapped debris toward the pharynx

Function of cell membrane

Surround cytoplasm

* separate intracellular components from extra cellular environment

Histamine

Major factor in inflammatory response system
Neurotransmitter
MAny allergic reactions are due to abrupt histamine

Digestive system

Facilitates absorption of substances into the bloodstream

Hydrogen bonding

Attractive force between (1) electronegative atom & hydrogen covalent bond to another electronegative body.

Capillary action

Movement of liquids in thin tubes

| Flow of liquids through porous media, such as flow of H20 through soil

Which of the following structures w/ in a human cell is responsible for recycling the materials no longer functional or needed within cell ?

Lysosomes

Ribosomes

Synthesis of protein, according to sequence of amino acids

| Specified in messenger RNA

Lysosomes

Specialized membranes bound vessels contain enzymes for molecular digestion

  • recycle molecules

  • disposal of cellular debris

  • cell membrane repair

  • phagocytosis

Mitochondria

"Powerhouse of cell"

| * # of enzymes & proteins that help process carbs &rafts obtained from food we eat / release energy

Nucleus

Component of Eukaryotic cells

  • contains genetic material

  • carry function of gene expression, hereditary

Lysosomes

Specialize vacuoles containing a digestive enzyme

Hemophilia

Cluster of hereditary genetic disorders where he body's ability to control or stop bleeding with help of blood clotting or coagulation

Anemia

RBC count in blood or the amount of hemoglobin is below the normal rate level

  • results when hemoglobin in RBC does NOT transport enough oxygen

Hypertension

Increase in diastolic blood pressure

Leukemia

Form of blood cancer from abnormal growth of WBC in human body

The sugars for,ing the backbone of a nucleic acid molecule are linked by ?

Phosphide ester bonds

Ionic bonds

Transfer of electrons from one atom to another creating two charged

Cerebellum

Coordinates motor activities

| * maintains balance,equilibrium, posture

Brain stem

Controls flow of messages between brain & rest of the body
Controls breathing, swallowng, heart rate, blood pressure, consciousness,nawabs

Thalamus

Transmit movement

| Sensory information

Hypothalamus

Control center for autonomic functions
Hormone productions
Body temp, thirst, hunger, sleep, sex drive, and release of hormones

Chemistry:

| CO

Polar covalent compound

| Compound made up of non-metals

Chemistry : what kind of bond?

| H2O

Covalent bond

Chemistry: what kind of bond?

| NaCI

Table salt ( ionic bond)

Chemistry: what kind of bond ?

| NH3

Simple stable compound

Ionic compound

Bond between (+) charged molecule (cation) with a (-) charged molecule

The best direct method of assessing global climate change is to measure changes over time is?

Surface temperatures of the earth

| Surface temperatures are directly affected by climate change and are best method for assessing those changes

Plasmodesmata

Small channels that directly connect the cytoplasm of neighbor plant cells
*allows certain molecules to pass directly from one cell to another

Plastids

Doubled membranes "sac-like" organelles

  • manufacture or storage of food

  • include chloroplast, chromoplast, leucoplast

Centrioles

Produce spindle fibers that pull chromatids apart

Telomeres

Caps at the end of each strand of DNA that protect our chromosomes, like the plastic tips at the end of shoe laces

During the transcription of the Eukaryotic genetic code of DNA into RNA , certain regions are removed from the mature transcript. These regions are called ?

Introns

Introns

Non-coding segment of DNA that interrupts a gene coding sequence or non-translating sequence corresponds segment removed from RNA copy before transcripts

Exons

  • protein coding region into the DNA

  • nucleic acid sequence in the DNA

  • RNA transcript following genetic splicing

Operons

*functioning unit of genomic DNA containing cluster of genes under the control of a single promoter

Alleles

  • alternate form of a gene located @ specific position on a specific position on a specific chromosome

  • DNA codings determine distinct traits passed onto offspring

In a chemical reAction , a metal will become ?

A cation by losing electrons

Explain what happens in the circulatory system during hyperventilation

The carbon dioxide level decreases and the blood PH increases , causing constriction and hypoxia

Function of RNA in eukaryotic cells is to

Provide template for protein synthesis

  • DNA->RNA template for translation by ribosomes

  • RNA used to convert info

  • stored in DNA into proteins

Which enzyme breaks down complex carbohydrates ?

Amylase

Amylase

Breaks down complex starch

| Carbs into maltose , a simple disaccharide

Pepsin

Enzyme
Degrades food proteins into peptides
Digestive system

Lactose

Sugar found in milk

| Lg sugar molecule made up of 02 sugar molecules

LipAse

Protein enzyme
Released by pancreas into small intestine
Helps absorbs fat

Alzheimer's disease

Type of dementia that causes problems with memory thinking and behavior

Chronic bronchitis

Inflammation of the lining of the airways of bronchial tubes

Emphysema

Chronic lung disease
Damage to air sacs (aveoli) in lungs
Body NOT get O2 it needs

Conditions that help a species escape extinction in the face of changing of environmental conditions, such as habital destruction?

Generalized distribution

Exterminate specialization

Adaption as of an organ or species, to specific function or environment

Small populations

  • increased risk of extinction

| * due to loss of genetic variability inbreeding and genetic drift